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134bfe56 | 1 | /* |
4333b89f | 2 | * Copyright 2016-2021 The OpenSSL Project Authors. All Rights Reserved. |
134bfe56 | 3 | * |
909f1a2e | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
134bfe56 MC |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
10 | #include <openssl/ssl.h> | |
11 | #include <openssl/evp.h> | |
edd689ef | 12 | |
706457b7 | 13 | #include "../ssl/ssl_local.h" |
134bfe56 MC |
14 | #include "testutil.h" |
15 | ||
16 | #define IVLEN 12 | |
17 | #define KEYLEN 16 | |
18 | ||
d6ce9da4 | 19 | /* |
c2969ff6 | 20 | * Based on the test vectors available in: |
df443918 | 21 | * https://tools.ietf.org/html/draft-ietf-tls-tls13-vectors-06 |
134bfe56 MC |
22 | */ |
23 | ||
24 | static unsigned char hs_start_hash[] = { | |
d6ce9da4 MC |
25 | 0xc6, 0xc9, 0x18, 0xad, 0x2f, 0x41, 0x99, 0xd5, 0x59, 0x8e, 0xaf, 0x01, 0x16, |
26 | 0xcb, 0x7a, 0x5c, 0x2c, 0x14, 0xcb, 0x54, 0x78, 0x12, 0x18, 0x88, 0x8d, 0xb7, | |
27 | 0x03, 0x0d, 0xd5, 0x0d, 0x5e, 0x6d | |
134bfe56 MC |
28 | }; |
29 | ||
30 | static unsigned char hs_full_hash[] = { | |
d6ce9da4 MC |
31 | 0xf8, 0xc1, 0x9e, 0x8c, 0x77, 0xc0, 0x38, 0x79, 0xbb, 0xc8, 0xeb, 0x6d, 0x56, |
32 | 0xe0, 0x0d, 0xd5, 0xd8, 0x6e, 0xf5, 0x59, 0x27, 0xee, 0xfc, 0x08, 0xe1, 0xb0, | |
33 | 0x02, 0xb6, 0xec, 0xe0, 0x5d, 0xbf | |
134bfe56 MC |
34 | }; |
35 | ||
36 | static unsigned char early_secret[] = { | |
37 | 0x33, 0xad, 0x0a, 0x1c, 0x60, 0x7e, 0xc0, 0x3b, 0x09, 0xe6, 0xcd, 0x98, 0x93, | |
38 | 0x68, 0x0c, 0xe2, 0x10, 0xad, 0xf3, 0x00, 0xaa, 0x1f, 0x26, 0x60, 0xe1, 0xb2, | |
39 | 0x2e, 0x10, 0xf1, 0x70, 0xf9, 0x2a | |
40 | }; | |
41 | ||
42 | static unsigned char ecdhe_secret[] = { | |
d6ce9da4 MC |
43 | 0x81, 0x51, 0xd1, 0x46, 0x4c, 0x1b, 0x55, 0x53, 0x36, 0x23, 0xb9, 0xc2, 0x24, |
44 | 0x6a, 0x6a, 0x0e, 0x6e, 0x7e, 0x18, 0x50, 0x63, 0xe1, 0x4a, 0xfd, 0xaf, 0xf0, | |
45 | 0xb6, 0xe1, 0xc6, 0x1a, 0x86, 0x42 | |
134bfe56 MC |
46 | }; |
47 | ||
48 | static unsigned char handshake_secret[] = { | |
d6ce9da4 MC |
49 | 0x5b, 0x4f, 0x96, 0x5d, 0xf0, 0x3c, 0x68, 0x2c, 0x46, 0xe6, 0xee, 0x86, 0xc3, |
50 | 0x11, 0x63, 0x66, 0x15, 0xa1, 0xd2, 0xbb, 0xb2, 0x43, 0x45, 0xc2, 0x52, 0x05, | |
51 | 0x95, 0x3c, 0x87, 0x9e, 0x8d, 0x06 | |
134bfe56 MC |
52 | }; |
53 | ||
1f6359db | 54 | static const char *client_hts_label = "c hs traffic"; |
134bfe56 MC |
55 | |
56 | static unsigned char client_hts[] = { | |
d6ce9da4 MC |
57 | 0xe2, 0xe2, 0x32, 0x07, 0xbd, 0x93, 0xfb, 0x7f, 0xe4, 0xfc, 0x2e, 0x29, 0x7a, |
58 | 0xfe, 0xab, 0x16, 0x0e, 0x52, 0x2b, 0x5a, 0xb7, 0x5d, 0x64, 0xa8, 0x6e, 0x75, | |
59 | 0xbc, 0xac, 0x3f, 0x3e, 0x51, 0x03 | |
134bfe56 MC |
60 | }; |
61 | ||
62 | static unsigned char client_hts_key[] = { | |
d6ce9da4 MC |
63 | 0x26, 0x79, 0xa4, 0x3e, 0x1d, 0x76, 0x78, 0x40, 0x34, 0xea, 0x17, 0x97, 0xd5, |
64 | 0xad, 0x26, 0x49 | |
134bfe56 MC |
65 | }; |
66 | ||
67 | static unsigned char client_hts_iv[] = { | |
d6ce9da4 | 68 | 0x54, 0x82, 0x40, 0x52, 0x90, 0xdd, 0x0d, 0x2f, 0x81, 0xc0, 0xd9, 0x42 |
134bfe56 MC |
69 | }; |
70 | ||
1f6359db | 71 | static const char *server_hts_label = "s hs traffic"; |
134bfe56 MC |
72 | |
73 | static unsigned char server_hts[] = { | |
d6ce9da4 MC |
74 | 0x3b, 0x7a, 0x83, 0x9c, 0x23, 0x9e, 0xf2, 0xbf, 0x0b, 0x73, 0x05, 0xa0, 0xe0, |
75 | 0xc4, 0xe5, 0xa8, 0xc6, 0xc6, 0x93, 0x30, 0xa7, 0x53, 0xb3, 0x08, 0xf5, 0xe3, | |
76 | 0xa8, 0x3a, 0xa2, 0xef, 0x69, 0x79 | |
134bfe56 MC |
77 | }; |
78 | ||
79 | static unsigned char server_hts_key[] = { | |
d6ce9da4 MC |
80 | 0xc6, 0x6c, 0xb1, 0xae, 0xc5, 0x19, 0xdf, 0x44, 0xc9, 0x1e, 0x10, 0x99, 0x55, |
81 | 0x11, 0xac, 0x8b | |
134bfe56 MC |
82 | }; |
83 | ||
84 | static unsigned char server_hts_iv[] = { | |
d6ce9da4 | 85 | 0xf7, 0xf6, 0x88, 0x4c, 0x49, 0x81, 0x71, 0x6c, 0x2d, 0x0d, 0x29, 0xa4 |
134bfe56 MC |
86 | }; |
87 | ||
88 | static unsigned char master_secret[] = { | |
d6ce9da4 MC |
89 | 0x5c, 0x79, 0xd1, 0x69, 0x42, 0x4e, 0x26, 0x2b, 0x56, 0x32, 0x03, 0x62, 0x7b, |
90 | 0xe4, 0xeb, 0x51, 0x03, 0x3f, 0x58, 0x8c, 0x43, 0xc9, 0xce, 0x03, 0x73, 0x37, | |
91 | 0x2d, 0xbc, 0xbc, 0x01, 0x85, 0xa7 | |
134bfe56 MC |
92 | }; |
93 | ||
1f6359db | 94 | static const char *client_ats_label = "c ap traffic"; |
134bfe56 MC |
95 | |
96 | static unsigned char client_ats[] = { | |
d6ce9da4 MC |
97 | 0xe2, 0xf0, 0xdb, 0x6a, 0x82, 0xe8, 0x82, 0x80, 0xfc, 0x26, 0xf7, 0x3c, 0x89, |
98 | 0x85, 0x4e, 0xe8, 0x61, 0x5e, 0x25, 0xdf, 0x28, 0xb2, 0x20, 0x79, 0x62, 0xfa, | |
99 | 0x78, 0x22, 0x26, 0xb2, 0x36, 0x26 | |
134bfe56 MC |
100 | }; |
101 | ||
102 | static unsigned char client_ats_key[] = { | |
d6ce9da4 MC |
103 | 0x88, 0xb9, 0x6a, 0xd6, 0x86, 0xc8, 0x4b, 0xe5, 0x5a, 0xce, 0x18, 0xa5, 0x9c, |
104 | 0xce, 0x5c, 0x87 | |
134bfe56 MC |
105 | }; |
106 | ||
107 | static unsigned char client_ats_iv[] = { | |
d6ce9da4 | 108 | 0xb9, 0x9d, 0xc5, 0x8c, 0xd5, 0xff, 0x5a, 0xb0, 0x82, 0xfd, 0xad, 0x19 |
134bfe56 MC |
109 | }; |
110 | ||
1f6359db | 111 | static const char *server_ats_label = "s ap traffic"; |
134bfe56 MC |
112 | |
113 | static unsigned char server_ats[] = { | |
d6ce9da4 MC |
114 | 0x5b, 0x73, 0xb1, 0x08, 0xd9, 0xac, 0x1b, 0x9b, 0x0c, 0x82, 0x48, 0xca, 0x39, |
115 | 0x26, 0xec, 0x6e, 0x7b, 0xc4, 0x7e, 0x41, 0x17, 0x06, 0x96, 0x39, 0x87, 0xec, | |
116 | 0x11, 0x43, 0x5d, 0x30, 0x57, 0x19 | |
134bfe56 MC |
117 | }; |
118 | ||
119 | static unsigned char server_ats_key[] = { | |
d6ce9da4 MC |
120 | 0xa6, 0x88, 0xeb, 0xb5, 0xac, 0x82, 0x6d, 0x6f, 0x42, 0xd4, 0x5c, 0x0c, 0xc4, |
121 | 0x4b, 0x9b, 0x7d | |
134bfe56 MC |
122 | }; |
123 | ||
124 | static unsigned char server_ats_iv[] = { | |
d6ce9da4 | 125 | 0xc1, 0xca, 0xd4, 0x42, 0x5a, 0x43, 0x8b, 0x5d, 0xe7, 0x14, 0x83, 0x0a |
134bfe56 MC |
126 | }; |
127 | ||
128 | /* Mocked out implementations of various functions */ | |
38b051a1 | 129 | int ssl3_digest_cached_records(SSL_CONNECTION *s, int keep) |
134bfe56 MC |
130 | { |
131 | return 1; | |
132 | } | |
133 | ||
134 | static int full_hash = 0; | |
135 | ||
136 | /* Give a hash of the currently set handshake */ | |
38b051a1 | 137 | int ssl_handshake_hash(SSL_CONNECTION *s, unsigned char *out, size_t outlen, |
134bfe56 MC |
138 | size_t *hashlen) |
139 | { | |
140 | if (sizeof(hs_start_hash) > outlen | |
141 | || sizeof(hs_full_hash) != sizeof(hs_start_hash)) | |
142 | return 0; | |
143 | ||
144 | if (full_hash) { | |
145 | memcpy(out, hs_full_hash, sizeof(hs_full_hash)); | |
146 | *hashlen = sizeof(hs_full_hash); | |
147 | } else { | |
148 | memcpy(out, hs_start_hash, sizeof(hs_start_hash)); | |
149 | *hashlen = sizeof(hs_start_hash); | |
150 | } | |
151 | ||
152 | return 1; | |
153 | } | |
154 | ||
38b051a1 | 155 | const EVP_MD *ssl_handshake_md(SSL_CONNECTION *s) |
134bfe56 MC |
156 | { |
157 | return EVP_sha256(); | |
158 | } | |
159 | ||
0d9824c1 MC |
160 | void RECORD_LAYER_reset_write_sequence(RECORD_LAYER *rl) |
161 | { | |
162 | } | |
163 | ||
9727f4e7 MC |
164 | int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc, |
165 | const EVP_CIPHER **enc) | |
166 | { | |
167 | return 0; | |
168 | } | |
169 | ||
c8f6c28a MC |
170 | int ssl_cipher_get_evp(SSL_CTX *ctx, const SSL_SESSION *s, |
171 | const EVP_CIPHER **enc, const EVP_MD **md, | |
172 | int *mac_pkey_type, size_t *mac_secret_size, | |
173 | SSL_COMP **comp, int use_etm) | |
92760c21 MC |
174 | |
175 | { | |
176 | return 0; | |
177 | } | |
178 | ||
04904312 MC |
179 | int tls1_alert_code(int code) |
180 | { | |
181 | return code; | |
182 | } | |
183 | ||
38b051a1 | 184 | int ssl_log_secret(SSL_CONNECTION *sc, |
f1a5939f CB |
185 | const char *label, |
186 | const uint8_t *secret, | |
187 | size_t secret_len) | |
188 | { | |
189 | return 1; | |
190 | } | |
191 | ||
c8f6c28a | 192 | const EVP_MD *ssl_md(SSL_CTX *ctx, int idx) |
d49e23ec MC |
193 | { |
194 | return EVP_sha256(); | |
195 | } | |
196 | ||
38b051a1 | 197 | void ossl_statem_send_fatal(SSL_CONNECTION *s, int al) |
5a2d0ef3 RL |
198 | { |
199 | } | |
200 | ||
38b051a1 TM |
201 | void ossl_statem_fatal(SSL_CONNECTION *s, int al, int reason, |
202 | const char *fmt, ...) | |
f63a17d6 MC |
203 | { |
204 | } | |
205 | ||
38b051a1 | 206 | int ossl_statem_export_allowed(SSL_CONNECTION *s) |
1f5878b8 TT |
207 | { |
208 | return 1; | |
209 | } | |
210 | ||
38b051a1 | 211 | int ossl_statem_export_early_allowed(SSL_CONNECTION *s) |
b38ede80 TT |
212 | { |
213 | return 1; | |
214 | } | |
215 | ||
c8f6c28a MC |
216 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher) |
217 | { | |
218 | } | |
219 | ||
220 | void ssl_evp_md_free(const EVP_MD *md) | |
221 | { | |
222 | } | |
223 | ||
cc110a0a MC |
224 | int ssl_set_new_record_layer(SSL_CONNECTION *s, int version, int direction, |
225 | int level, unsigned char *key, size_t keylen, | |
79eebb08 MC |
226 | unsigned char *iv, size_t ivlen, |
227 | unsigned char *mackey, size_t mackeylen, | |
228 | const EVP_CIPHER *ciph, size_t taglen, | |
229 | int mactype, const EVP_MD *md, | |
230 | const SSL_COMP *comp) | |
231 | { | |
232 | return 0; | |
233 | } | |
234 | ||
134bfe56 MC |
235 | /* End of mocked out code */ |
236 | ||
38b051a1 | 237 | static int test_secret(SSL_CONNECTION *s, unsigned char *prk, |
134bfe56 MC |
238 | const unsigned char *label, size_t labellen, |
239 | const unsigned char *ref_secret, | |
240 | const unsigned char *ref_key, const unsigned char *ref_iv) | |
241 | { | |
ace081c1 | 242 | size_t hashsize; |
134bfe56 | 243 | unsigned char gensecret[EVP_MAX_MD_SIZE]; |
ace081c1 | 244 | unsigned char hash[EVP_MAX_MD_SIZE]; |
134bfe56 MC |
245 | unsigned char key[KEYLEN]; |
246 | unsigned char iv[IVLEN]; | |
ec15acb6 | 247 | const EVP_MD *md = ssl_handshake_md(s); |
134bfe56 | 248 | |
ace081c1 | 249 | if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashsize)) { |
2fae041d | 250 | TEST_error("Failed to get hash"); |
ace081c1 MC |
251 | return 0; |
252 | } | |
253 | ||
a19ae67d | 254 | if (!tls13_hkdf_expand(s, md, prk, label, labellen, hash, hashsize, |
0fb2815b | 255 | gensecret, hashsize, 1)) { |
2fae041d | 256 | TEST_error("Secret generation failed"); |
134bfe56 MC |
257 | return 0; |
258 | } | |
259 | ||
2fae041d | 260 | if (!TEST_mem_eq(gensecret, hashsize, ref_secret, hashsize)) |
134bfe56 | 261 | return 0; |
134bfe56 | 262 | |
d49e23ec | 263 | if (!tls13_derive_key(s, md, gensecret, key, KEYLEN)) { |
2fae041d | 264 | TEST_error("Key generation failed"); |
134bfe56 MC |
265 | return 0; |
266 | } | |
267 | ||
2fae041d | 268 | if (!TEST_mem_eq(key, KEYLEN, ref_key, KEYLEN)) |
134bfe56 | 269 | return 0; |
134bfe56 | 270 | |
d49e23ec | 271 | if (!tls13_derive_iv(s, md, gensecret, iv, IVLEN)) { |
2fae041d | 272 | TEST_error("IV generation failed"); |
134bfe56 MC |
273 | return 0; |
274 | } | |
275 | ||
2fae041d | 276 | if (!TEST_mem_eq(iv, IVLEN, ref_iv, IVLEN)) |
134bfe56 | 277 | return 0; |
134bfe56 MC |
278 | |
279 | return 1; | |
280 | } | |
281 | ||
282 | static int test_handshake_secrets(void) | |
283 | { | |
284 | SSL_CTX *ctx = NULL; | |
38b051a1 TM |
285 | SSL *ssl = NULL; |
286 | SSL_CONNECTION *s; | |
134bfe56 MC |
287 | int ret = 0; |
288 | size_t hashsize; | |
289 | unsigned char out_master_secret[EVP_MAX_MD_SIZE]; | |
290 | size_t master_secret_length; | |
291 | ||
292 | ctx = SSL_CTX_new(TLS_method()); | |
2fae041d | 293 | if (!TEST_ptr(ctx)) |
134bfe56 MC |
294 | goto err; |
295 | ||
38b051a1 TM |
296 | ssl = SSL_new(ctx); |
297 | if (!TEST_ptr(ssl) || !TEST_ptr(s = SSL_CONNECTION_FROM_SSL_ONLY(ssl))) | |
134bfe56 MC |
298 | goto err; |
299 | ||
ec15acb6 | 300 | s->session = SSL_SESSION_new(); |
2fae041d | 301 | if (!TEST_ptr(s->session)) |
ec15acb6 MC |
302 | goto err; |
303 | ||
2fae041d P |
304 | if (!TEST_true(tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL, 0, |
305 | (unsigned char *)&s->early_secret))) { | |
306 | TEST_info("Early secret generation failed"); | |
134bfe56 MC |
307 | goto err; |
308 | } | |
309 | ||
2fae041d P |
310 | if (!TEST_mem_eq(s->early_secret, sizeof(early_secret), |
311 | early_secret, sizeof(early_secret))) { | |
312 | TEST_info("Early secret does not match"); | |
134bfe56 MC |
313 | goto err; |
314 | } | |
315 | ||
2fae041d P |
316 | if (!TEST_true(tls13_generate_handshake_secret(s, ecdhe_secret, |
317 | sizeof(ecdhe_secret)))) { | |
44e69951 | 318 | TEST_info("Handshake secret generation failed"); |
134bfe56 MC |
319 | goto err; |
320 | } | |
321 | ||
2fae041d P |
322 | if (!TEST_mem_eq(s->handshake_secret, sizeof(handshake_secret), |
323 | handshake_secret, sizeof(handshake_secret))) | |
134bfe56 | 324 | goto err; |
134bfe56 | 325 | |
ed576acd | 326 | hashsize = EVP_MD_get_size(ssl_handshake_md(s)); |
2fae041d P |
327 | if (!TEST_size_t_eq(sizeof(client_hts), hashsize)) |
328 | goto err; | |
329 | if (!TEST_size_t_eq(sizeof(client_hts_key), KEYLEN)) | |
330 | goto err; | |
331 | if (!TEST_size_t_eq(sizeof(client_hts_iv), IVLEN)) | |
134bfe56 | 332 | goto err; |
134bfe56 | 333 | |
2fae041d P |
334 | if (!TEST_true(test_secret(s, s->handshake_secret, |
335 | (unsigned char *)client_hts_label, | |
336 | strlen(client_hts_label), client_hts, | |
337 | client_hts_key, client_hts_iv))) { | |
338 | TEST_info("Client handshake secret test failed"); | |
134bfe56 MC |
339 | goto err; |
340 | } | |
341 | ||
2fae041d P |
342 | if (!TEST_size_t_eq(sizeof(server_hts), hashsize)) |
343 | goto err; | |
344 | if (!TEST_size_t_eq(sizeof(server_hts_key), KEYLEN)) | |
345 | goto err; | |
346 | if (!TEST_size_t_eq(sizeof(server_hts_iv), IVLEN)) | |
134bfe56 | 347 | goto err; |
134bfe56 | 348 | |
2fae041d P |
349 | if (!TEST_true(test_secret(s, s->handshake_secret, |
350 | (unsigned char *)server_hts_label, | |
351 | strlen(server_hts_label), server_hts, | |
352 | server_hts_key, server_hts_iv))) { | |
353 | TEST_info("Server handshake secret test failed"); | |
134bfe56 MC |
354 | goto err; |
355 | } | |
356 | ||
357 | /* | |
358 | * Ensure the mocked out ssl_handshake_hash() returns the full handshake | |
359 | * hash. | |
360 | */ | |
361 | full_hash = 1; | |
362 | ||
2fae041d P |
363 | if (!TEST_true(tls13_generate_master_secret(s, out_master_secret, |
364 | s->handshake_secret, hashsize, | |
365 | &master_secret_length))) { | |
366 | TEST_info("Master secret generation failed"); | |
134bfe56 MC |
367 | goto err; |
368 | } | |
369 | ||
2fae041d P |
370 | if (!TEST_mem_eq(out_master_secret, master_secret_length, |
371 | master_secret, sizeof(master_secret))) { | |
372 | TEST_info("Master secret does not match"); | |
134bfe56 MC |
373 | goto err; |
374 | } | |
375 | ||
2fae041d P |
376 | if (!TEST_size_t_eq(sizeof(client_ats), hashsize)) |
377 | goto err; | |
378 | if (!TEST_size_t_eq(sizeof(client_ats_key), KEYLEN)) | |
379 | goto err; | |
380 | if (!TEST_size_t_eq(sizeof(client_ats_iv), IVLEN)) | |
134bfe56 | 381 | goto err; |
134bfe56 | 382 | |
2fae041d P |
383 | if (!TEST_true(test_secret(s, out_master_secret, |
384 | (unsigned char *)client_ats_label, | |
385 | strlen(client_ats_label), client_ats, | |
386 | client_ats_key, client_ats_iv))) { | |
387 | TEST_info("Client application data secret test failed"); | |
134bfe56 MC |
388 | goto err; |
389 | } | |
390 | ||
2fae041d P |
391 | if (!TEST_size_t_eq(sizeof(server_ats), hashsize)) |
392 | goto err; | |
393 | if (!TEST_size_t_eq(sizeof(server_ats_key), KEYLEN)) | |
394 | goto err; | |
395 | if (!TEST_size_t_eq(sizeof(server_ats_iv), IVLEN)) | |
134bfe56 | 396 | goto err; |
134bfe56 | 397 | |
2fae041d P |
398 | if (!TEST_true(test_secret(s, out_master_secret, |
399 | (unsigned char *)server_ats_label, | |
400 | strlen(server_ats_label), server_ats, | |
401 | server_ats_key, server_ats_iv))) { | |
402 | TEST_info("Server application data secret test failed"); | |
134bfe56 MC |
403 | goto err; |
404 | } | |
405 | ||
406 | ret = 1; | |
407 | err: | |
38b051a1 | 408 | SSL_free(ssl); |
134bfe56 MC |
409 | SSL_CTX_free(ctx); |
410 | return ret; | |
411 | } | |
412 | ||
3cb7c5cf | 413 | int setup_tests(void) |
134bfe56 | 414 | { |
134bfe56 | 415 | ADD_TEST(test_handshake_secrets); |
ad887416 | 416 | return 1; |
134bfe56 | 417 | } |